Description
Overview:
The Bearing, Crankshaft for Kohler Engines is a genuine Kohler component designed to support the crankshaft journals and maintain correct running clearance inside the engine. Made from durable bearing‐grade metal with a precision finish, it reduces friction and wear to help keep your engine reliable under daily use. This part is a direct replacement for OEM No. 12 030 05-S and is suitable for a range of small petrol engines found in construction and garden machinery. It is commonly used in Kohler Command/Command PRO series engines, including CH11 and CH410, where accurate crank support is essential for smooth operation, stable oil pressure and long service life. Being a genuine Kohler part ensures consistent quality, proper fit and dependable performance.
Key Features:
- Genuine Kohler part for assured fit and compatibility with listed engines
- Direct replacement for OEM No. 12 030 05-S for straightforward maintenance
- Precision‐manufactured bearing surfaces help maintain correct oil clearance
- Durable bearing‐grade metal construction for long service life
- Reduces friction, wear and vibration for smoother engine running
- Supports stable oil pressure and crankshaft alignment under load
- Suitable for routine servicing and full engine overhauls
- Straightforward to install using standard workshop tools
Typical Applications:
Used during engine rebuilds or maintenance when addressing crank wear, low oil pressure, noise, or routine refresh of the bottom end. Suitable for machines powered by Kohler CH‐series engines such as lawn and garden equipment, generators, compactors, mixers, pressure washers and other light construction tools where reliable crankshaft support is critical for performance and longevity.
Also known as:
Engine main bearing, crank main bearing, crankshaft journal bearing, main journal bearing, bottom‐end bearing, Kohler main bearing, CH‐series crank bearing.
Fits Models:
CH11, CH410, CH430, CH450
Alternate Part Numbers:
12 030 05S, 1203005-S, 1203005S
Product Specifications
| L&S Part No. | 12 030 05-S |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Kohler |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Kohler |
| Key Features | - Genuine Kohler part ensures fit with CH11, CH410 engines - Direct replacement for OEM No. 12 030 05-S - Precision finish maintains correct oil clearance - Durable bearing-grade metal for long service life - Reduces friction and wear for smoother engine running |
| Fits Models | CH11 | CH410 | CH430 | CH450 |

